Learn more. If you are erasing the free space of your Mac OS X startup volume, you may see this message:  Your startup disk is almost full. &NewLine;You need to make more space available on your startup disk by deleting files..This is a normal, temporary part of the erase free space process.earn more. If you are erasing the free space of your Mac OS X startup volume, you may see this message:  Your startup disk is almost full. &NewLine;You need to make more space available on your startup disk by deleting files..
Filed under Paper Guide. The standard office copy paper weight is most commonly called â20 lb. bondâ. Standard office copy paper weighs approximately 10.0 lbs per 1000 sheets. When people talk about âoffice copy paperâ, theyâre referring to the types of paper that most people use for their printers and photocopiers at home/work.
The short answer is that 500 sheets of bond paper with a size of 17 by 22 have a weight of 20 pounds. The manufacturer would cut a sheet that big into four letter-size sheets, so a 500-sheet ream of 20-pound bond paper weighs 5 pounds.100 sheets weigh 1 pound.1 Sheet weighs .16 ounces.6.25 sheets per ounce.ot an expert here, but I think 20 lbs refers to 2000 sheets, not 500. The weight of a single sheet at 500 sheets per, would be 0.64 oz. - way too much for a sheet of paper, by about a factor of 4.